Energy Expert David Blackmon to Speak at the 5th Annual Frac Sand Industry Update!

The Petroleum Connection is pleased to announce that noted commentator and energy expert David Blackmon will be speaking at the 5th Annual Frac Sand Industry Update.  Mr. Blackmon is a regular contributor to Forbes, he is Associate Editor of Shale Magazine, a feature writer for World Oil Magazine, and the resident energy expert on “The Oil Patch” radio program.